Principal Architect - Active Top Secret required with Security Clearance

We are seeking an experienced Principal Architect to provide technical leadership and architectural guidance for a complex enterprise IT environment. This role will be responsible for developing scalable, secure, and resilient technical solutions while supporting operational excellence and long-term modernization objectives. The Principal Architect will work closely with customer leadership, program management, and engineering teams to define future-state architectures, evaluate emerging technologies, and guide technical execution across the enterprise. HOW YOU WILL MAKE AN IMPACT * Develop enterprise architecture strategies aligned to customer objectives.
* Design scalable, secure, and resilient technical solutions.
* Lead architecture reviews and design sessions.
* Evaluate current-state environments and identify improvement opportunities.
* Define target-state architectures and modernization roadmaps.
* Assess technology solutions and recommend strategic investments.
* Support technical decision-making through analysis, prototyping, and proof-of-concept activities.
* Identify technical debt and develop remediation strategies.
* Provide architectural leadership for modernization and transformation efforts.
* Collaborate with engineering teams to ensure successful implementation of architectural designs.
* Present technical recommendations to customer and program leadership. WHAT YOU'LL NEED TO SUCCEED * Bachelor's degree in Computer Science, Information Technology, Engineering, or related field. Experience may be substituted for education.
* Minimum 10 years of experience in enterprise architecture, systems engineering, or technical leadership roles.
* Expertise in:
* Enterprise architecture
* Infrastructure architecture
* Security architecture
* Cloud and hybrid environments
* Experience developing architecture roadmaps and modernization strategies.
* Strong analytical and problem-solving skills.
* Excellent written and verbal communication skills. Preferred Qualifications * Azure or AWS Solution Architect
* Active CISSP or CSSIP
* Microsoft Certified Windows Server Hybrid Administrator
* Experience leading modernization initiatives.
* Enterprise architecture framework experience. GDIT IS YOUR PLACE At GDIT, the mission is our purpose, and our people are at the center of everything we do. * Growth: AI-powered career tool that identifies career steps and learning opportunities
* Support: An internal mobility team focused on helping you achieve your career goals
* Rewards: Comprehensive benefits and wellness packages, 401K with company match, competitive pay and paid time off
* Community: Award-winning culture of innovation and a military-friendly workplace